Air Conditioning and Heating  
Sales, Service, Repair 
Houston, Katy, Richmond, Sugarland Areas
                                     Call 281-579-8951  


 DD Mechanical Services Air Conditioning and Heating

  Air Conditioning, Heating and Air Purification Systems

 Houston, Katy, Sugarland, Richmond


 Toll Free 1-866-590-6095




  Air Conditioning Repair All Makes and Models 


We Are The Only  24.5 SEER IQ Drive Air Conditioners Certified Dealer In The Area

Also in

RUUD Trane and Amana

 20 SEER Communicating Air Conditioners

95% AFUE Condensating Furnaces


               We are  American Standard, Trane, Ruud, Lennox ,Carrier, Frigidaire ,RGF and Global Plasma Solutions Dealers




Offering the Best HVAC Services!

  • Condensors,Furnaces and Heaters
  • Zoned Systems
  • Service
  • Filtration Systems
  • Preventive Maintenance Agreements
  • Enhanced A.C. Performance Check Ups in Association with Centerpoint Energy 


  • Brand Names We Sell
  • We Repair all Makes and Models
  • Warranties
    • Up to 10 years Parts and Labor
    • Lifetime Heat Exchanger
Air-conditioning - Contact our heating and air-conditioning company in Katy, Texas, to set up an appointment for heating, air-conditioning, or water furnace sales, installation, or repair!

Contact our Heating and Air-conditioning company , to set up an appointment
for Heating, Air-conditioning,Indoor Air Quality or Water Heater sales, installation, or repair!
Nember of BBB Since 1997
Texas Air Conditioner Contractors Association
Plumbers,Air Conditioner and Mechanical Contractor's Association
Service Area:
Houston • Katy • Fort Bend • Austin County • Harris County
Monday–Friday, 8 a.m.–6 p.m.
Saturday, 8 a.m.–12 p.m.
24 Hour  Emergency Service

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    Offering Residential & Commercial Repair/Service/Installation: Air Conditioning (A/C) and Heating Systems Service / Repair /Installation including: Energy Star systems, Furnace, Water Heater, L.P. Gas,  Propane, Purifiers,  
    Air Filtration/ Filters/ Purification for improved Air Quality.
    Serving Texas: Houston TX, Katy TX, Sugarland TX, Fulshear TX, Bellville TX, Bookshire TX, Waller TX, Richmond/Rosenberg, TX.
    Brands include: Frigidaire, Trane, American Standard, RUUD, Carrier, Lennox,  Weatherking.